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Chevy Silverado 1500 Heater Cores

25880387 - : Front Heater Inlet Hose for GM Image

Front Heater Inlet Hose

Primary HVAC. Inlet. Engine to Auxiliary Water Pump. Helps provide heat to the vehicle interior Constructed from high quality material...
Discontinued
84519613 - : Front Seat Back Heater for GM Image

Front Seat Back Heater

Heats up your vehicle's seat when activated by switch This GM Genuine Part is designed, engineered, and tested to rigorous standards and...
$32.12
MSRP $43.89
Save $11.77
26.8% Off
23168136 - : Heater Asm-F/Seat Cush for GM Image

Heater Asm-F/Seat Cush

Sierra, silverado. Front seat. Tahoe, Yukon. Seat cushion. Without ventilation. Escalade ESV. Suburban, Yukon XL. Bucket seat without...
$110.11
MSRP $154.28
Save $44.17
28.6% Off
88940289 - : Driver Seat Back Heater for GM Image

Driver Seat Back Heater

All models. Front. Upper. Bench seat, driver seat. Bucket seat driver side, 2003-07. seat back. Heats up your vehicle's seat when...
$217.62
MSRP $307.50
Save $89.88
29.2% Off
84340797 - : Air Conditioning Evaporator Core Case for GM Image

Air Conditioning Evaporator Core Case

With auto temp cntrl. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors...
$48.02
MSRP $80.06
Save $32.04
40% Off
20792749 - : Front Seat Back Heater for GM Image

Front Seat Back Heater

Heats up your vehicle's seat when activated by switch This GM Genuine Part is designed, engineered, and tested to rigorous standards...
$88.82
MSRP $123.40
Save $34.58
28% Off
3041827 - : Air Conditioning System Valve Core for GM Image

Air Conditioning System Valve Core

Repair leaking A/C system, restore A/C function Helps restore A/C Function This GM Genuine Part is designed, engineered, and tested to...
$8.79
MSRP $13.96
Save $5.17
37% Off
84545563 - : Heater Water Auxiliary Pump Hose for GM Image

Heater Water Auxiliary Pump Hose

Helps provide heat to the vehicle interior Constructed from high quality material for a long service life This GM Genuine Part is...
$11.55
MSRP $16.09
Save $4.54
28.2% Off
84943521 - : Rear Seat Heater Wiring Harness for GM Image

Rear Seat Heater Wiring Harness

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$75.64
MSRP $110.63
Save $34.99
31.6% Off
84564686 - : Engine Coolant Heater Extension Cable for GM Image

Engine Coolant Heater Extension Cable

GM Genuine Parts Engine Heater Cords are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM...
$63.91
MSRP $93.48
Save $29.57
31.6% Off
13510339 - : Front Seat Heater Control Module for GM Image

Front Seat Heater Control Module

Silverado, sierra. Without dual mode. Bucket seat, with heater, with ventilation. Bucket seat with ventillated seat. Receives a signal...
$65.66
MSRP $91.23
Save $25.57
28% Off

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TL;DR Summary

A Silverado 1500 heater core helps transfer engine heat into the cabin HVAC system. Genuine GM heater core components help match the HVAC case, hose connections, and cooling-system layout.

Overview

When a heater core leaks or becomes restricted, Silverado 1500 owners may notice poor heat, coolant odor, window fogging, damp carpet, or coolant loss. Because heater core replacement can be labor-intensive, choosing the right part before the repair matters. Van Chevrolet GM Parts Center helps Silverado owners shop OEM HVAC components with fitment in mind.

What This Category Includes

  • Heater cores and related HVAC components
  • Heater core seals and connection parts
  • HVAC case and hose-related service components
  • OEM parts for supported Silverado 1500 applications

Why Genuine GM Parts Matter

OEM heater core components are designed around the HVAC case, tube orientation, and cooling-system connections. View a verified Silverado 1500 heater parts page.

How to Choose the Right Part

Confirm VIN, model year, cab configuration, HVAC equipment, and engine before ordering. If coolant contamination or leaks are present, inspect related cooling-system components during the repair.

Compatibility / Fitment Guidance

Heater core fitment can vary by model year, HVAC configuration, and body or cab setup. Confirm whether additional seals, clamps, or coolant service parts are needed before beginning the repair.

Key Takeaways

  • Heater core replacement should be planned carefully because labor can be significant.
  • OEM heater core parts help match the HVAC case and hose connection points.
  • Inspect related cooling components before completing the repair.

FAQ Section

What are the signs of a bad Silverado heater core?

Poor heat, coolant smell, damp carpet, window fogging, or unexplained coolant loss can point to heater core concerns.

Does heater core fitment vary by cab?

It can. Cab and HVAC configuration may affect fitment depending on model year.

Should I flush the cooling system?

That depends on the repair condition. Contaminated coolant or restriction concerns may require additional cooling-system service.